:root{font-family:Arial,Helvetica,sans-serif;background:#f6f8fb;color:#263047;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button{font:inherit;cursor:pointer}button:disabled{cursor:default;opacity:.48}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #794bcd;outline-offset:4px}[hidden]{display:none!important}.app{max-width:1060px;margin:auto;padding:20px}nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}nav a,.result-actions a{color:#53677f;text-underline-offset:4px}.nav-buttons{display:flex;align-items:center;gap:12px}.secondary{border:1px solid #d5dfea;background:white;color:#53677f;border-radius:8px;padding:8px 14px;min-height:38px;font-size:.875rem}.help{width:34px;height:34px;border:1px solid #d5dfea;border-radius:50%;color:#53677f;background:white;font-weight:700}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;background:white;border:1px solid #e0e7ee;border-radius:12px;padding:18px 22px;box-shadow:0 3px 4px #25334d10}.topbar h1{font:700 26px Georgia,serif;margin:0 0 7px}.topbar p{font-size:.875rem;line-height:1.6;color:#576b83;margin:0}.round{text-align:right;flex-shrink:0}.round strong{display:block;font-size:20px;color:#52637b}.round span{display:block;font-size:.875rem;color:#596b82;margin-top:5px}.progress{height:4px;border-radius:5px;background:#e4e7ef;overflow:hidden;margin:18px 0 14px}.progress>div{height:100%;width:0;background:#8957d6;transition:width .2s}.play-panel{background:white;border:1px solid #e0e5ef;border-radius:20px;overflow:hidden;padding:24px}.scoreboard{display:flex;justify-content:space-between;gap:16px;position:relative;z-index:1}.score>span{display:block;font-size:.875rem;color:#596b82;margin-bottom:7px}.score strong{font-size:27px;color:#36445a;font-weight:700;font-variant-numeric:tabular-nums}.score strong small{font-size:.875rem;font-weight:400}.score.current strong{color:#7950bd}.score:last-child{text-align:right}.stage{height:clamp(340px,48vh,460px);position:relative;display:flex;justify-content:center;align-items:center;overflow:hidden}.colour-label{position:absolute;top:12px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;font-size:.875rem;color:#58697e;background:#f8f9fc;border-radius:20px;padding:8px 13px;white-space:nowrap;z-index:1}.colour-label i,.swatch{background:var(--balloon-colour,#8239ef);display:inline-block;flex-shrink:0;width:10px;height:10px;border-radius:50%}.balloon-anchor{width:270px;max-width:82%;height:calc(100% - 55px);position:absolute;bottom:16px;display:flex;align-items:flex-end;justify-content:center}.balloon{width:100%;height:100%;overflow:visible;transform:scale(var(--balloon-scale,.62));transform-origin:center bottom;transition:transform .16s ease-out,opacity .18s ease-out;filter:saturate(1.03)}.balloon-fill{fill:var(--balloon-colour,#8239ef)}.balloon-outline{stroke:var(--balloon-outline,#c9adef)}.stage.banked .balloon{opacity:.15}.stage.burst .balloon{opacity:0}.stage.paused .balloon{opacity:.25}.pump-count{position:absolute;bottom:7px;left:50%;transform:translateX(-50%);background:white;color:#596b82;font-size:.875rem;padding:3px 12px;white-space:nowrap;border-radius:10px}.burst-visual{position:absolute;width:240px;height:240px;display:grid;place-items:center;color:var(--balloon-colour)}.burst-visual svg{position:absolute;inset:0;animation:scatter .28s ease-out both}.burst-visual strong{font:700 34px Georgia,serif;color:#4d3a68;position:relative;background:#ffffffeb;padding:10px 18px;border-radius:15px}.bank-visual{position:absolute;text-align:center;display:flex;align-items:center;flex-direction:column;gap:10px;background:#ffffffec;padding:20px 30px;border-radius:18px}.bank-visual>span{width:45px;height:45px;background:#e5f6ef;border-radius:50%;color:#187c60;font-size:28px;display:grid;place-items:center}.bank-visual strong{font-size:26px;color:#276f59}.bank-visual small{font-size:.875rem;color:#596b82}.response-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:650px;margin:10px auto 0}.response-button{min-height:83px;border:1px solid #d8deeb;background:#f7f5fd;border-radius:12px;color:#47385d;font-weight:700;padding:14px 12px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:9px;touch-action:manipulation}.button-main{display:flex;align-items:center;gap:10px;font-size:1.0625rem}.response-button kbd{font:700 .875rem Arial;border:1px solid #b3a3cb;border-radius:5px;padding:3px 7px;color:#67517f}.response-button small{font-size:.8125rem;color:#675c7a;font-weight:400}.response-button:hover:enabled{background:#eee6fb;border-color:#ac8bda}.bank-button{background:#f3f8f6;color:#376454;border-color:#d3e3dc}.bank-button kbd{border-color:#a6c2b6;color:#426553}.bank-button small{color:#546e61}.bank-button:hover:enabled{background:#e5f2eb;border-color:#9bc6b3}.feedback{min-height:28px;line-height:1.6;text-align:center;font-size:.9375rem;color:#596b82;margin:18px 0 0}.feedback.banked{color:#187c60}.feedback.burst{color:#a45a31}.start-actions{text-align:center;margin:20px 0}.primary{background:#7954bc;color:white;border:0;border-radius:10px;padding:13px 23px;font-weight:700;min-height:46px}.primary:hover{background:#6543a0}.pause-panel{background:#eee8fc;border-radius:12px;padding:20px;text-align:center;margin:20px 0}.pause-panel p{line-height:1.6;color:#53647b}.results{margin-top:20px;background:white;border:1px solid #dfe6ee;border-radius:20px;padding:28px}.eyebrow{font-size:.875rem;font-weight:700;letter-spacing:1px;color:#5e7189}.results h2{font:700 30px Georgia,serif;margin:12px 0}.results p,details li{color:#53677f;font-size:1rem;line-height:1.6}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:24px 0}.stat{background:#f3effb;border-radius:12px;padding:20px}.stat strong{display:block;font-size:28px;color:#493565}.stat span{display:block;font-size:.875rem;color:#596b82;line-height:1.5;margin-top:6px}.table-wrap{overflow:auto;margin:24px 0}table{width:100%;text-align:left;font-size:.875rem;border-collapse:collapse}caption{text-align:left;font:700 22px Georgia,serif;margin-bottom:15px}th,td{border-bottom:1px solid #e1e8f0;padding:13px 10px;white-space:nowrap}th{color:#576b82}.swatch{margin-right:8px}.practice-note{font-size:.875rem!important;background:#f5f2fc;border-radius:10px;padding:14px;line-height:1.6}.result-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:25px}details{border-top:1px solid #e1e7f0;margin-top:20px;padding-top:18px}summary{cursor:pointer;font-weight:700;line-height:1.5;color:#485b74}footer{text-align:center;color:#5d6f86;font-size:.875rem;line-height:1.6;margin:25px 0}dialog{width:calc(100% - 32px);max-width:620px;border:0;border-radius:20px;padding:32px;color:#263449;box-shadow:0 20px 80px #0003}dialog::backdrop{background:#202b4770}dialog h2{font:700 27px Georgia,serif;margin:15px 0}dialog p,dialog li{font-size:1rem;line-height:1.6;color:#53647b}dialog ol{padding-left:22px}dialog li{margin:8px 0}.close-help{position:absolute;top:12px;right:14px;background:none;border:0;color:#62748b;font-size:28px}@keyframes scatter{from{transform:scale(.4);opacity:.2}to{transform:scale(1);opacity:1}}
@media(max-width:650px){.app{padding:14px}.topbar{padding:16px}.play-panel{padding:18px 14px}.stage{height:340px}.balloon-anchor{width:225px}.response-controls{gap:10px}.response-button{padding:13px 8px}.response-button small{font-size:.75rem}.button-main{gap:7px;font-size:1rem}.stats{grid-template-columns:1fr;gap:10px}.stat{padding:16px}.results{padding:20px}.score strong{font-size:24px}dialog{padding:26px}.feedback{font-size:.875rem}}
@media(prefers-reduced-motion:reduce){.balloon,.progress>div{transition:none}.burst-visual svg{animation:none}}